B - Operations – Transporting – 65 – F
Patent
B - Operations, Transporting
65
F
100/51, 214/80
B65F 1/00 (2006.01) B30B 1/00 (2006.01) B30B 7/00 (2006.01) B30B 9/30 (2006.01)
Patent
CA 1071153
ABSTRACT OF THE DISCLOSURE This invention relates to refuse compactors. It is previously known to utilize compressed air for driving a compactor plate through a compression stroke. These super-atmospheric air powered compactors have certain dis- advantages and inherent safety hazards due to the com- pressed air. Also known are compactors in which the com- pression stroke is accomplished by evacuating the refuse space, thereby driving of the plate through the stroke by atmospheric pressure acting on the outer surface of the plate, and the pressure plate returned by spring action upon venting of the refuse space to atmosphere. However, this return system has been found to be costly and un- reliable. The present invention provides a refuse com- pactor having a container with a refuse compression space on one side of a pressured plate which is movable by atmos- pheric pressure, upon evacuation of the refuse space, in one direction through a compression stroke to compress refuse in the space. The pressure plate is movable in the opposite direction through a return stroke by either pressurizing of the refuse space or evacuation of a space, which may be a second refuse compression space, at the opposite side of the plate. The refuse compactor may be adapted to be emptied by a conventional trash collection vehicle equipped with a trash bin elevating and inverting mechanism. The compactor includes a novel vacuum pump and valve system for operating the pressure plate.
283976
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